| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4 |
0.6%
|
|
| 2 | 20 |
3%
|
|
| 3 | 29 |
4.4%
|
|
| 4 | 27 |
4.1%
|
|
| 5 | 33 |
5%
|
|
| 6 | 22 |
3.3%
|
|
| 7 | 25 |
3.8%
|
|
| 8 | 22 |
3.3%
|
|
| 9 | 13 |
2%
|
|
| 10 | 7 |
1.1%
|
|
| 11 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| Missing value | 458 |
69.2%
|